CN213711125U

CN213711125U - Shaft seal heater with detachable heat dissipation shell

Info

Publication number: CN213711125U
Application number: CN202022243033.2U
Authority: CN
Inventors: 施帆; 朱俊如
Original assignee: Zhenjiang Dongxin Electrical Equipment Co ltd
Current assignee: Zhenjiang Dongxin Electrical Equipment Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-07-16
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses a bearing seal heater with can dismantle heat dissipation shell, the cooling cover body that sets up including the longitudinal symmetry, it is a plurality of the inside heat transfer pipeline that is provided with of cooling cover body, both ends are provided with the first cover body and the second cover body respectively about heat transfer pipeline, the equal fixedly connected with flange ring in one side of the both ends of heat transfer pipeline and the first cover body, the second cover body, it is adjacent all be provided with a plurality of second fixing bolt between the flange ring, it is a plurality of the equal fixedly connected with cooling tube in inside of the cooling cover body, the both ends difference fixedly connected with cooling water inlet tube and the cooling water outlet pipe of cooling tube. The utility model discloses in, this device has made great improvement to thermal recovery, the recovery heat of very big limit, and the connected mode of this device outside and inboard structure is bolted connection, convenient to detach, easy to maintain.

Description

Shaft seal heater with detachable heat dissipation shell

Technical Field

The utility model relates to a bearing seal heater technical field especially relates to a bearing seal heater with can dismantle heat dissipation shell.

Background

The shaft seal heater is a device for recovering shaft seal leakage steam and heating condensed water by using heat of the shaft seal leakage steam, so that energy loss is reduced, and heat efficiency of a unit is improved. When the steam turbine adopts the interior formula of letting out bearing seal system, generally establish the bearing seal heater and be used for heating condensate water or demineralized water, retrieve the bearing seal and leak out vapour to reduce bearing seal and leak out vapour and heat loss, take out the vapour gas mixture of steam turbine gland seal system, prevent that steam from leaking to the steam engine room and going in the oil system from the tip vapour seal and polluting the environment and destroying oil quality, these vapour gas mixture gets into the bearing seal cooler and is cooled into water, heats the condensate water, and remaining not gas that condenses is discharged to the atmosphere, and improve the environmental condition in workshop.

The casing of the existing shaft seal heater causes heat loss due to low heat insulation performance, so that the heat exchange efficiency of steam and water is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a shaft seal heater with a detachable heat dissipation shell.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a bearing seal heater with can dismantle heat dissipation shell, includes the cooling cover body that the longitudinal symmetry set up, and is a plurality of the inside heat transfer pipeline that is provided with of the cooling cover body, both ends are provided with first cover body and second cover body respectively about the heat transfer pipeline, the equal fixedly connected with flange ring in both ends and first cover body, one side of the second cover body of heat transfer pipeline, adjacent all be provided with a plurality of second fixing bolt between the flange ring, it is a plurality of the equal fixedly connected with cooling tube in the inside of the cooling cover body, the both ends of cooling tube are fixedly connected with cooling water inlet tube and cooling water outlet pipe respectively, the cooling cover body is all run through to the one end of cooling water inlet tube and cooling water outlet pipe, and the equal fixedly connected with connecting plate in the front and back side of a plurality of cooling cover bodies is adjacent be provided with a plurality.

Preferably, a plurality of supporting feet are fixedly connected to the lower end of the cooling cover body positioned on the lower side.

Preferably, a steam inlet pipe is fixedly connected to the middle position of one end of the outside of the first cover body, and a dispersing shell is fixedly connected to the inside of the first cover body.

Preferably, a servo motor is fixedly connected to the middle position of one side of the outside of the second cover body, an air exhaust device is arranged inside the second cover body, and the output end of the servo motor is fixedly connected with the input end of the air exhaust device.

Preferably, the lower end of one side of the outside of the second cover body is fixedly connected with a steam outlet pipe, and one end of the steam outlet pipe penetrates through the second cover body and is connected to the output end of the air extraction device.

Preferably, a plurality of spiral heat exchange tubes are arranged inside the heat exchange pipeline, the spiral heat exchange tubes are all fixedly connected with a first connecting pipe and a second connecting pipe, and the upper ends of the spiral heat exchange tubes located on two sides are respectively fixedly connected with a purified water inlet pipe and a purified water outlet pipe.

The utility model discloses following beneficial effect has:

the shaft seal heater with the detachable heat dissipation shell comprises a steam inlet pipe, a first cover body, a purified water inlet pipe, a cooling cover body, a first fixing bolt, a connecting plate, a cooling water outlet pipe, a purified water outlet pipe, a second cover body, a supporting foot margin, a servo motor, a steam outlet pipe, a connecting flange ring, a cooling pipe, a second fixing bolt, a dispersing shell, a spiral heat exchange pipe, a first connecting pipe, a second connecting pipe, an air extractor and a heat exchange pipeline, wherein purified water enters the plurality of spiral heat exchange pipes from the purified water inlet pipe, is discharged from the purified water outlet pipe through the plurality of first connecting pipes, the second connecting pipes and the spiral heat exchange pipe, exchanges heat with shaft seal air leakage in the heat exchange pipeline in the spiral heat exchange pipe to absorb heat of the shaft seal air leakage, and cooling water is introduced into the cooling cover body outside the heat exchange pipeline through the cooling, in the cooling water entered into the cooling tube, the cooling water in the cooling tube and the pipe wall of heat transfer pipeline carried out the heat exchange, discharged through the cooling water outlet pipe at last, and steam was discharged by steam outlet duct, and great improvement has been made to thermal recovery to this device, the recovery heat of very big limit, and the connected mode of this device outside and inboard structure is bolted connection, convenient to detach, easy to maintain.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the heat exchange pipe of the present invention;

fig. 4 is a side view of the spiral heat exchange tube of the present invention.

Illustration of the drawings:

1. a steam inlet pipe; 2. a first cover body; 3. a purified water inlet pipe; 4. a cooling water inlet pipe; 5. cooling the cover body; 6. a first fixing bolt; 7. a connecting plate; 8. a cooling water outlet pipe; 9. a purified water outlet pipe; 10. a second cover body; 11. supporting the ground feet; 12. a servo motor; 13. a steam outlet pipe; 14. a connecting flange ring; 15. a cooling tube; 16. a second fixing bolt; 17. a dispersion housing; 18. a spiral heat exchange tube; 19. a first connecting pipe; 20. a second connecting pipe; 21. an air extraction device; 22. a heat exchange conduit.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a shaft seal heater with a detachable heat dissipation shell comprises cooling cover bodies 5 which are arranged in an up-and-down symmetrical mode, a heat exchange pipeline 22 is arranged inside each cooling cover body 5, a first cover body 2 and a second cover body 10 are arranged at the left end and the right end of each heat exchange pipeline 22 respectively, a connecting flange ring 14 is fixedly connected at each of the two ends of each heat exchange pipeline 22 and one side of each first cover body 2 and one side of each second cover body 10, a plurality of second fixing bolts 16 are arranged between every two adjacent connecting flange rings 14, a cooling pipe 15 is fixedly connected inside each cooling cover body 5, a cooling water inlet pipe 4 and a cooling water outlet pipe 8 are fixedly connected at each of the two ends of each cooling pipe 15 respectively, one end of each cooling water inlet pipe 4 and one end of each cooling water outlet pipe 8 penetrate through the cooling cover bodies 5, a connecting plate 7 is fixedly connected at the front side and the back side of each cooling cover body 5, the lower end of the cooling cover body 5 positioned at the lower side is fixedly connected with a plurality of supporting feet 11, the supporting feet 11 play a role of supporting and fixing the device, the middle position of the outer end of the first cover body 2 is fixedly connected with a steam inlet pipe 1, the inner part of the first cover body 2 is fixedly connected with a dispersing shell 17, the dispersing shell 17 can disperse steam entering from the steam inlet pipe 1 into a heat exchange pipeline 22 to ensure that the steam is more fully contacted with a spiral heat exchange pipe 18, the middle position of the outer side of the second cover body 10 is fixedly connected with a servo motor 12, an air extractor 21 is arranged inside the second cover body 10, the output end of the servo motor 12 is fixedly connected with the input end of the air extractor 21, the servo motor 12 drives an impeller in the air extractor 21 to rotate to extract the steam into the heat exchange pipeline 22 and finally to be discharged from a steam outlet pipe 13, the lower end of the outer side of the second cover body, one end of the steam outlet pipe 13 penetrates through the second cover body 10 and is connected to the output end of the air extracting device 21, a plurality of spiral heat exchange pipes 18 are arranged inside the heat exchange pipeline 22, a first connecting pipe 19 and a second connecting pipe 20 are fixedly connected among the spiral heat exchange pipes 18, and the upper ends of the spiral heat exchange pipes 18 on the two sides are fixedly connected with a purified water inlet pipe 3 and a purified water outlet pipe 9 respectively.

The working principle is as follows: the servo motor 12 drives the air extractor 21 to operate, shaft seal air leakage enters the heat exchange pipeline 22 through the dispersion shell 17 from the steam inlet pipe 1, purified water enters the spiral heat exchange pipes 18 from the purified water inlet pipe 3, the purified water is discharged from the purified water outlet pipe 9 through the first connecting pipes 19, the second connecting pipes 20 and the spiral heat exchange pipes 18, the purified water exchanges heat with the shaft seal air leakage in the heat exchange pipeline 22 in the spiral heat exchange pipes 18 to absorb the heat of the shaft seal air leakage, cooling water is introduced from the cooling water inlet pipe 4 in the cooling cover body 5 at the outer side of the heat exchange pipeline 22 and enters the cooling pipe 15, the cooling water in the cooling pipe 15 exchanges heat with the pipe wall of the heat exchange pipeline 22 and is finally discharged through the cooling water outlet pipe 8, steam is discharged from the steam outlet pipe 13, and the heat is greatly improved and recovered to the maximum limit, and the connection mode of the structures at the outer side and the inner side of the device is bolt connection, so that the device is convenient to disassemble and easy to maintain.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a shaft seal heater with can dismantle heat dissipation shell, includes cooling cover body (5) that the longitudinal symmetry set up, its characterized in that: a heat exchange pipeline (22) is arranged in each of the plurality of cooling cover bodies (5), the left end and the right end of each heat exchange pipeline (22) are respectively provided with a first cover body (2) and a second cover body (10), the two ends of each heat exchange pipeline (22), one side of each first cover body (2) and one side of each second cover body (10) are respectively and fixedly connected with a connecting flange ring (14), a plurality of second fixing bolts (16) are respectively arranged between the adjacent connecting flange rings (14), cooling pipes (15) are respectively and fixedly connected in each of the plurality of cooling cover bodies (5), two ends of each cooling pipe (15) are respectively and fixedly connected with a cooling water inlet pipe (4) and a cooling water outlet pipe (8), one end of each cooling water inlet pipe (4) and one end of each cooling water outlet pipe (8) penetrate through the cooling cover bodies (5), and connecting plates (7) are respectively and fixedly connected to the front side and the back side, a plurality of first fixing bolts (6) are arranged between the adjacent connecting plates (7).

2. The shaft seal heater with a removable heat sink housing of claim 1, wherein: the lower end of the cooling cover body (5) positioned at the lower side is fixedly connected with a plurality of supporting feet (11).

3. The shaft seal heater with a removable heat sink housing of claim 1, wherein: the steam inlet pipe (1) is fixedly connected to the middle position of one end of the outer portion of the first cover body (2), and the dispersing shell (17) is fixedly connected to the inner portion of the first cover body (2).

4. The shaft seal heater with a removable heat sink housing of claim 1, wherein: the servo motor (12) is fixedly connected to the middle position of one side of the outer portion of the second cover body (10), an air exhaust device (21) is arranged inside the second cover body (10), and the output end of the servo motor (12) is fixedly connected with the input end of the air exhaust device (21).

5. The shaft seal heater with a removable heat sink housing of claim 4, wherein: the lower end of one side of the outside of the second cover body (10) is fixedly connected with a steam outlet pipe (13), and one end of the steam outlet pipe (13) penetrates through the second cover body (10) and is connected to the output end of the air extracting device (21).

6. The shaft seal heater with a removable heat sink housing of claim 1, wherein: the inside of heat transfer pipeline (22) is provided with a plurality of spiral heat exchange tubes (18), and is a plurality of equal fixedly connected with first connecting pipe (19) and second connecting pipe (20) between spiral heat exchange tubes (18), be located both sides the upper end difference fixedly connected with water purification inlet tube (3) and water purification outlet pipe (9) of spiral heat exchange tubes (18).